论文数: 0 引用数: 0
h-index: 0
机构:
Johns Hopkins Med Inst, Ctr Aging & Hlth, Baltimore, MD 21205 USA
Johns Hopkins Bloomberg Sch Publ Hlth, Dept Biostat, Baltimore, MD USA
Johns Hopkins Bloomberg Sch Publ Hlth, Dept Epidemiol, Baltimore, MD USA
Johns Hopkins Univ, Sch Med, Dept Med, Div Geriatr Med & Gerontol, Baltimore, MD 21205 USA Sichuan Univ, West China Hosp, Ctr Gerontol & Geriatr, Natl Clin Res Ctr Geriatr, Chengdu, Peoples R China